<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="100px">
      <el-form-item label="知识库名称" prop="datasetName">
        <el-input
          field-width="240"
          v-model="queryParams.datasetName"
          placeholder="请输入知识库名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['knowledge:dataset:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['knowledge:dataset:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['knowledge:dataset:remove']"
        >删除</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="datasetList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="知识库名称" align="center" prop="datasetName" />
      <el-table-column label="知识库类型" align="center" prop="datasetType">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.datasetType == 1" size="mini">通用型</el-tag>
          <el-tag v-else-if="scope.row.datasetType == 2" size="mini" type="warning">Web站点</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="知识库描述" align="center" prop="datasetDesc" />
      <el-table-column label="权限" align="center" prop="permissionType">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.permissionType == 'PRIVATE'" size="mini" type="danger">私有</el-tag>
          <el-tag v-else-if="scope.row.permissionType == 'PUBLIC'" size="mini" type="success">公有</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="创建者" align="center" prop="createName" />
      <el-table-column label="更新时间" align="center" prop="updateTime" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['knowledge:dataset:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['knowledge:dataset:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改知识库对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="知识库名称" prop="datasetName">
          <el-input v-model="form.datasetName" placeholder="请输入知识库名称" maxlength="128" show-word-limit />
        </el-form-item>
        <el-form-item label="知识库描述" prop="datasetDesc">
          <el-input v-model="form.datasetDesc" placeholder="描述知识库的内容，详尽的描述将帮助AI能深入理解该知识库的内容，能更准确的检索到内容，提高该知识库的命中率" type="textarea" rows="5" maxlength="255" show-word-limit />
        </el-form-item>
        <el-form-item label="向量模型" prop="embeddingModelId">
          <el-select v-model="form.embeddingModelId" placeholder="请选择向量模型" width="100%">
            <el-option key="1903746072191832065" label="ollama-embedding" value="1903746072191832065"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="知识库类型" prop="datasetType">
          <el-radio-group v-model="form.datasetType">
            <el-radio :label="1">通用型</el-radio>
            <el-radio :label="2">Web站点</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="权限" prop="permissionType">
          <el-radio-group v-model="form.permissionType">
            <el-radio label="PRIVATE">私有</el-radio>
            <el-radio label="PUBLIC">公有</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listDataset, getDataset, delDataset, addDataset, updateDataset } from "@/api/knowledge/dataset"

export default {
  name: "Dataset",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 知识库表格数据
      datasetList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        embeddingModelId: null,
        datasetName: null,
        datasetType: null,
        permissionType: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        embeddingModelId: [
          { required: true, message: "向量模型ID不能为空", trigger: "blur" }
        ],
        datasetName: [
          { required: true, message: "知识库名称不能为空", trigger: "blur" }
        ],
        datasetType: [
          { required: true, message: "知识库类型不能为空", trigger: "change" }
        ],
        datasetDesc: [
          { required: true, message: "知识库描述不能为空", trigger: "blur" }
        ],
        permissionType: [
          { required: true, message: "权限类型不能为空", trigger: "change" }
        ]
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    /** 查询知识库列表 */
    getList() {
      this.loading = true
      listDataset(this.queryParams).then(response => {
        this.datasetList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        datasetId: null,
        embeddingModelId: null,
        datasetName: null,
        datasetType: 1,
        datasetDesc: null,
        permissionType: 'PRIVATE'
      }
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.datasetId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = "添加知识库"
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const datasetId = row.datasetId || this.ids[0]
      getDataset(datasetId).then(response => {
        this.form = response.data
        this.open = true
        this.title = "修改知识库"
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.datasetId != null) {
            updateDataset(this.form).then(response => {
              this.$modal.msgSuccess("修改成功")
              this.open = false
              this.getList()
            })
          } else {
            addDataset(this.form).then(response => {
              this.$modal.msgSuccess("新增成功")
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const datasetIds = []
      if (row.datasetId) {
        datasetIds.push(row.datasetId)
      } else {
        datasetIds.push(...this.ids)
      }
      this.$modal.confirm('是否确认删除知识库编号为"' + datasetIds + '"的数据项？').then(function() {
        return delDataset(datasetIds)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess("删除成功")
      }).catch(() => {})
    }
  }
}
</script>
